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'''Joel Asaph Allen''' (July 19, 1838 – August 29, 1921) was an United States|American zoology|zoologist, mammalogy|mammalogist and ornithology|ornithologist. He became the first president of the American Ornithologists' Union, the first curator of birds and mammals at the American Museum of Natural History, and the first head of that museum's Department of Ornithology. He is remembered for Allen's rule, which states that the bodies of endotherms (warm-blooded animals) vary in shape with climate, having increased surface area in hot climates to lose heat, and minimized surface area in cold climates, to conserve heat.
Birth date{{birth date|1838|7|19}}
Birth placeSpringfield, Massachusetts
Death date{{death date and age|1921|8|29|1838|7|19}}
Death place| nationality = United States|American
Ethnicity| known_for = Allen's rule
Fields{{Unbulleted list|Ornithology|Zoology}}
WorkplacesAmerican Academy of Arts and Sciences
Museum of Comparative Zoology
American Association for the Advancement of Science
Audubon Society
American Philosophical Society
Alma materHarvard University
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american
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birds
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natural history
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north
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north american
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ornithological
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joel asaph allen
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joel asaph allen , american museum of natural history
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kentucky geological survey, nathaniel southgate shaler, joel asaph allen, kentucky geological survey (1873 -1891), kentucky state geologist
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English
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